app/email/email.go

package email

import (
	"github.com/spf13/viper"
	"gopkg.in/gomail.v2"
)

func init() {
	// viper.SetDefault("email.type", "smtp")
	viper.SetDefault("email.host", "mail.kumoly.io")
	viper.SetDefault("email.port", 587)
	viper.SetDefault("email.username", "test@kumoly.io")
	viper.SetDefault("email.password", "test")
}

type App struct {
	Name      string
	Link      string
	Logo      string
	Copyright string
}

type Body struct {
	App     App
	Intros  []string
	Outros  []string
	Content string

	Greeting string
	Receiver string

	Signature string
	Sender    string
}

// host string, port int, username string, password string
var dial *gomail.Dialer

func Send(From string, To []string, Title string, b *Body) error {

	m := gomail.NewMessage()
	m.SetHeader("From", From)
	m.SetHeader("To", To...)
	m.SetHeader("Subject", Title)
	// m.SetAddressHeader("Cc", "dan@example.com", "Dan")
	// m.Attach("/home/Alex/lolcat.jpg")

	body, err := Parse(b)
	if err != nil {
		return err
	}
	m.SetBody("text/html", body)

	// Send the email
	return dial.DialAndSend(m)
}